공지사항

동원대학교 20년사

동원대학교 20년사
  • 작성자모영기
  • 발행처동원대학교 20년사 편찬위원회
  • 발행일2016-10-25
  • 페이지408
  • 조회수1368
  • 평점 starstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstar
ePub으로 보기 PDF가 등록되어 있지 않습니다. XDF가 등록되어 있지 않습니다. 첨부파일 내려받기
me2day google

키워드

동원대학교, 20년사, 역사

자료소개

동원대학교 20년사

작성자소개

차례

댓글입력